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To find the area of Magnolia's scale drawing, we first need to calculate the scaling factor used to go from the actual dimensions to the scaled dimensions.
Scaling factor = Scaled dimension / Actual dimension
In this case, the actual base length is 25 inches and the scaled base length is 19 inches.
Scaling factor = 19 / 25
≈ 0.76
Now, we can use the scaling factor to find the scaled height.
Scaled height = Scaling factor x Actual height
= 0.76 x 15 inches
≈ 11.4 inches
Now that we have the scaled height and base, we can calculate the area of the scaled drawing of the triangle.
Area = 1/2 x base x height
= 1/2 x 19 inches x 11.4 inches
≈ 108.3 square inches
Therefore, the area of Magnolia's scale drawing of the flag is approximately 108.3 square inches.